It was listed by Gatsby Jewellery Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Gatsby Jewellery Ltd has dated this piece to the 1920s.

Accompanied an independent jewellery report from IGR (#30306924).
Cut – Old European cut diamonds.
Colour – The diamonds range from G to I.
Clarity – From SI1 to I1.
Carat – A total approximate carat weight of 1.56.

Circa – 1920.
Measurements – The from edge of one outer diamond to the other is 21.3mm. The ring is 6.3mm at the widest point and sits 5.6mm from the finger.
Size – Q (UK) or 8 (US). Complimentary sizing is available, can go up or down.
Metal – Stamped PLAT – platinum – and tests as such.
Gatsby Jewellery Ltd has dated this piece to the 1920s.
Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page